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With California introducing the Sustainable Groundwater Management Act in 2014, new estimations of subsidence based on water usage plans have revealed that stretches of the California Aqueduct are still at a substantially high risk of subsidence. These projections range from 10-15 feet of subsidence in the most at risk areas. [16]
The oak grove sits at the base of California Memorial Stadium and at the time of the controversy consisted of about 90 trees: 65 oaks, including 38 coast live oaks, 25 pittosporum, 8 redwoods, 5 pines and 1 or 2 cypress, cedar, pepper and yew trees. [7]
The State of California Department of Conservation produces regulatory maps showing locations where the hazard from earthquake-triggered landslides must be evaluated prior to specific types of land-use development in accordance with provisions of Public Resources Code, Section 2690 et seq. (Seismic Hazards Mapping Act). These maps and related ...
With more than 3,000 homes burned within city limits — and more than 5,000 in the surrounding area — Santa Rosa had just lost 5% of its housing stock. In a city that already had a housing ...
The land is moving about 80 times faster than it was in October 2022 and the active area of the landslide complex has expanded from just under 400 acres to 700 acres, according to the city of ...
Rancho Palos Verdes, a coastal community in the Los Angeles area, could be described as a geological ticking time bomb. The affluent city sits atop steep cliffs overlooking the Pacific Ocean that ...
Ground water was pumped heavily, leading to the Santa Clara valley being the first region recognized to be affected by land subsidence in the 1940s. [2] Between 1912 and 1966, artesian pressure levels dropped more than 200 feet (61 m). The decreasing pressure heads resulted in land subsidence of up to 15 feet (4.6 m). [3]
In a coastal Southern California city where multimillion-dollar estates teeter above the Pacific Ocean, power remained intentionally severed Tuesday to about 245 homes as worsening landslides have ...